A review.The development, properties and uses of three ligands and catalysts for asym. hydrogenation, namely TangPhos, Binapine, and DuanPhos are discussed.The use of these highly effective catalysts in com. manufacture of α-amino acids, β-amino acids, chiral amines, acids, and amino alcs. is described, especially applications of TangPhos and DuanPhos.The performance of TangPhos metal complexes in a wide range of asym. processes, i.e., hydrogenation and C-H activation is also described.